downlink_PMCH

k均值算法，社区划分算法中经典算法，WSN中分簇也可使用该算法。(K-means algorithm, classic algorithms in community partition algorithm, clustering can also use this algorithm in the WSN.)

一本关于龚纯编辑的数学建模MATLAB应用的书，很实用的，不过不是很清晰(Gong edited a book on mathematical modeling of pure MATLAB application book, very practical, but not very clear)

svd提取特征脸，Computer Vision课程作业，用PCA计算特征脸，提取主成分，用PCA系数进行相似度计算。(comupute face similarity using eigenface and PCA analysis)

数字低通或模拟低通滤波器的阶次，模拟低通原型滤波器。(buttord,buttap,lp2lp)

IFS,平移，旋转的，非常简洁，可以迅速的带入数据，即可出现图像(IFS, translation, rotation, and very simple)

说明：  R语言地理统计及空间分析的函数包，可以做空间插值，相关分析等。(Function package R language geostatistical and spatial analysis, spatial interpolation, correlation analysis can be done.)

说明：  多元线性回归：MATLAB源程序多元线性回归(Multiple Linear Regression : MATLAB source multivariate linear regression)

吉尔法求解点堆中子动力学方程的MATLAB程序(Gear method)

后置滤波主要用来去除GSC处理后的信号中残余的噪声，改善了系统去噪的效果，得到了广泛的应用。(The post filter is mainly used to remove the residual noise in the signal after GSC processing and improve the effect of the system denoising, and has been widely used.)

SOM神经网络分类程序，使用matlab编写(SOM neural network classification procedures, the use of matlab to prepare)